Country name 1980 1981 1982 1983 1984
Djibouti 0
Oman 0 0 0 0 0
Cambodia 0 0 0 0 0
Mozambique 0 0 0
Rwanda 0 0 0
Burkina Faso 0 0 0 1 1
Niger 0 0 0 0 1
Lao PDR 0 0 1 1 1
Malawi 0 0 0 0 0
Burundi 0 0 1 1
Ethiopia 1 0 0 1 1
Uganda 1 1 1
Dominica 1 1
Sierra Leone 1 1
Haiti 1 1 1 1
Central African Republic 1 1 1 1 1
Mauritius 1 1 1 1 1
Kenya 1 1 1 1
Lesotho 1 1 1 1 1
Congo, Dem. Rep. 1 1 1 1 1
Botswana 1 1 1 1 2
Zambia 1 1 2 1
Benin 1 1 2 2 2
Cameroon 2 2 2 2 2
China 1 2 2
Zimbabwe 1 2 2 1 2
Vietnam 2 2
Togo 2 2 2 2 2
Nigeria 2 2 3 3 3
St. Lucia 2 2 3 3 3
Fiji 2 2 3 3
Luxembourg 1 3 2 3 3
Guyana 3 3 3 2 2
Madagascar 3 3 4 4 4
Malta 3 3 3 3 4
Sri Lanka 3 4 4 4
Senegal 3 3 3 3 2
Cyprus 2 3 3 3 3
Cote d'Ivoire 2 3 3 2
United Arab Emirates 2 3 3 4 6
Bangladesh 3 3 4 5 5
Swaziland 3 3 5
Nepal 4 4 3 4
Samoa 4 3
Indonesia 3 4 4 4 5
Trinidad and Tobago 4 4 4 4 4
Guinea 4 3 3 3
Myanmar 5 5 5
Congo, Rep. 5 5 6 6 6
Bahrain 3 5 6
Tunisia 5 5 5 5 5
Albania 5 6 7
India 5 5 5 6 6
Morocco 6 6 5 6
Turkey 7 6 6 6 7
Guatemala 6 7 7
Suriname 6 7 7 7
Jamaica 7
Tonga 7 6
Saudi Arabia 6 7 8 8 8
Libya 6 7 8 9
Thailand 10 8 19 21 22
Honduras 7 8 9 9 9
Paraguay 9 9 9 10 10
Iraq 9 9 10 10 10
Qatar 9 10 12 15 15
Colombia 9 10 11 11 11
Bermuda 10 11
Romania 10 11 12 14 16
Brazil 11 11 11 11
Kuwait 10 11 12 13 14
Portugal 11 12 12 12 12
Hungary 13 13 14 15 16
Mexico 13 13 14 15 15
Barbados 15 18 19
Korea, Rep. 13 15 20 24 28
Cuba 17 16 16 16 17
Bulgaria 17 16 16 15 16
Syrian Arab Republic 14 16 16 16 16
Bahamas, The 19 16 15 12 14
Egypt, Arab Rep. 16 17 18 18 19
Jordan 15 17 20 21 22
Greece 17 17 18 19 20
Uruguay 16 17 22 24
Czech Republic 16 17 18 17 17
Poland 18 18 17 16 17
Ireland 17 18 19 21 21
Switzerland 18 18 19 19 19
United Kingdom 19 19 19 21 21
Croatia 19
Slovenia 19 18 18 19
Venezuela, RB 20 20 20 21 22
Peru 17 20 20 21 22
Iceland 20 20 21 23 24
Costa Rica 20 21 20 20 20
Panama 20 21 21 20 23
Austria 21 22 22 22 23
Turkmenistan 22
Spain 23 23 23 24 25
Estonia 23
Argentina 22 23 24 25 29
Latvia 24 24 24 24
Azerbaijan 24
Tajikistan 24
Belgium 25 24 26 27 28
Lithuania 24
Philippines 24 25 26 27 29
France 25 25 27 27
Norway 25 25 26 28 29
Australia 25 26 26 26 27
Mongolia 26 26 25 25 25
Macedonia, FYR 26 26 25 24
Italy 27 27 25 25
New Zealand 27 27 28 28 32
Denmark 28 28 28 29 29
Moldova 29
Netherlands 29 30 30 30 31
Lebanon 32 30 26 27
Georgia 30
Sweden 36 31 31 32 32
Japan 31 31 30 30 29
Micronesia, Fed. Sts. 20 31 22
Israel 31 31 34 34 35
Finland 32 32 33 33 31
Ecuador 34 35 33 31 31
Kazakhstan 35
Belarus 38 39 40 41 42
Ukraine 43 43 44 45
Russian Federation 45 46 47 48 50
United States 53 56 57 57 58
Kyrgyz Republic
Sudan
Kosovo
South Africa
Liechtenstein
Canada
Korea, Dem. Rep.
Namibia
Slovak Republic
Kiribati
St. Kitts and Nevis 1 1
Afghanistan 2
Chile 12 12 14 15
New Caledonia
Monaco
Mauritania
Nicaragua 11 10 10 9
Singapore
Marshall Islands
Solomon Islands
Isle of Man
El Salvador 11 13 14
Northern Mariana Islands
St. Martin (French part)
Iran, Islamic Rep.
Comoros
Hong Kong SAR, China 9 10 11 12
Cayman Islands
Pakistan 2
Montenegro
Palau
Liberia
Guinea-Bissau
Antigua and Barbuda
Papua New Guinea 2 2 2
Maldives
Guam
Sint Maarten (Dutch part)
Grenada 6 8 4 4
Equatorial Guinea 4
Greenland
Somalia
Ghana 2
South Sudan
Germany
Macao SAR, China
Puerto Rico
Dominican Republic
Malaysia 4 4 4 5
St. Vincent and the Grenadines 3
Gambia, The
Curacao
Cabo Verde
Mali 1 1 1 1
Bosnia and Herzegovina
Chad
Bhutan 1 1
Tanzania 0 0 0
Turks and Caicos Islands
Timor-Leste
Gabon 3 5 5
Brunei Darussalam 1 3
French Polynesia
Bolivia
San Marino
Belize
Sao Tome and Principe
Tuvalu
Aruba
Vanuatu
Andorra
Armenia
West Bank and Gaza
American Samoa
Uzbekistan
Faeroe Islands
Angola
Serbia
Virgin Islands (U.S.)
Seychelles
Yemen, Rep.
Eritrea
Algeria

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